html {
	width: 100%;
	height: 100%;
}
body {
	width: 98%;  /* trying to prevent horizontal overflow */
	height: 100%;
}
p {
	overflow-wrap: break-word;
	word-wrap: break-word;
}
.chart {
	width: 100%;
	min-height: 50%;
	height: 50vmax;
}

/* https://stackoverflow.com/a/41503905/493161 */
.chart:after {
	content: '\200b';
}